/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package app.metatron.discovery.prep.parser.preparation.rule.expr;

import java.io.Serializable;
import java.util.List;

public interface Expression extends Serializable {

  interface BooleanExpression extends Expression {
    <T extends Expression> List<T> getChildren();
  }

  interface NotExpression extends Expression {
    <T extends Expression> T getChild();
  }

  interface AndExpression extends BooleanExpression {
  }

  interface OrExpression extends BooleanExpression {
  }

  interface Factory<T extends Expression> {
    T or(List<T> children);
    T and(List<T> children);
    T not(T expression);
  }
}
